DE3407666A1 - Einstellbare lendenstuetze - Google Patents

Einstellbare lendenstuetze

Info

Publication number
DE3407666A1
DE3407666A1 DE19843407666 DE3407666A DE3407666A1 DE 3407666 A1 DE3407666 A1 DE 3407666A1 DE 19843407666 DE19843407666 DE 19843407666 DE 3407666 A DE3407666 A DE 3407666A DE 3407666 A1 DE3407666 A1 DE 3407666A1
Authority
DE
Germany
Prior art keywords
support plate
support
cam
lumbar
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
DE19843407666
Other languages
German (de)
English (en)
Inventor
Takemi Kariya Aichi Hattori
Hirofumi Toyota Aichi Kume
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Aisin Corp
Original Assignee
Aisin Seiki Co Ltd
Toyota Motor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aisin Seiki Co Ltd, Toyota Motor Corp filed Critical Aisin Seiki Co Ltd
Publication of DE3407666A1 publication Critical patent/DE3407666A1/de
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
    • A47C7/462—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Seats For Vehicles (AREA)
DE19843407666 1983-03-03 1984-03-01 Einstellbare lendenstuetze Granted DE3407666A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983030636U JPS59137151U (ja) 1983-03-03 1983-03-03 ランバ−サポ−ト

Publications (1)

Publication Number Publication Date
DE3407666A1 true DE3407666A1 (de) 1984-10-11

Family

ID=12309319

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843407666 Granted DE3407666A1 (de) 1983-03-03 1984-03-01 Einstellbare lendenstuetze

Country Status (3)

Country Link
US (1) US4811986A (US20110009641A1-20110113-C00185.png)
JP (1) JPS59137151U (US20110009641A1-20110113-C00185.png)
DE (1) DE3407666A1 (US20110009641A1-20110113-C00185.png)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5762397A (en) * 1997-03-24 1998-06-09 Venuto; Dennis Wire attachment to a seat frame
DE102011075514A1 (de) * 2011-05-09 2012-11-29 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Rückenlehnenstruktur mit Lordosenstütze
DE102006052783B4 (de) 2006-02-22 2022-05-25 Volkswagen Ag Aktive Konturanpassung einer wölbungsverstellbaren Stütze, insbesondere einer Lordosenstütze oder eines Lordoseschildes

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH061003Y2 (ja) * 1989-03-31 1994-01-12 シロキ工業株式会社 シート
JPH0631965Y2 (ja) * 1990-03-20 1994-08-24 池田物産株式会社 ランバーサポート装置
US5791733A (en) * 1996-02-09 1998-08-11 Knoll, Inc. Adjustable lumbar support
US6220661B1 (en) 1999-04-19 2001-04-24 Steelcase Development Inc. Chair back and method of assembly
US5979984A (en) 1997-10-24 1999-11-09 Steelcase Development Inc. Synchrotilt chair with forwardly movable seat
US6062649A (en) * 1998-03-03 2000-05-16 Steelcase Development Inc. Chair back construction
USD419007S (en) * 1998-03-31 2000-01-18 Teknion Furniture Systems Inc. Back for a chair
AU783829B2 (en) * 2000-09-28 2005-12-08 Formway Furniture Limited A reclinable chair
AUPR054400A0 (en) 2000-09-29 2000-10-26 Formway Furniture Limited A castor
NZ518944A (en) * 2002-05-14 2004-09-24 Formway Furniture Ltd Height adjustable arm for chair with outer stem releasably lockable to inner stem by engagement of recesses
JP4127193B2 (ja) 2003-11-13 2008-07-30 コクヨ株式会社 椅子の背凭れ
US9022474B2 (en) * 2009-07-06 2015-05-05 L&P Property Management Company Adjustable foundation for a seating unit
US9193280B2 (en) 2012-09-13 2015-11-24 Leggett & Platt Canada Co. Lumbar support system
US9199565B2 (en) 2012-09-13 2015-12-01 Leggett & Platt Canada Co. Lumbar support system
US10632882B2 (en) 2012-09-13 2020-04-28 Leggett & Platt Canada Co. Lumbar support system
US9193287B2 (en) 2012-09-13 2015-11-24 Leggett & Platt Canada Co. Lumbar support system
US9700143B2 (en) * 2015-06-29 2017-07-11 Yao-Chuan Wu Adjustable lumbar support apparatus for seat back

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2744652A1 (de) * 1976-11-01 1978-05-03 Aisin Seiki Stelleinrichtung zur lendenstuetzung
DE2822766A1 (de) * 1977-05-25 1978-12-21 Nissan Motor Sitz-rueckenlehne
DE3317944A1 (de) * 1982-05-26 1983-12-01 Aisin Seiki K.K., Kariya, Aichi Lendenstuetze fuer rueckenlehnen
DE3306994A1 (de) * 1983-02-28 1984-08-30 P.A. Rentrop Hubbert & Wagner Fahrzeugausstattungen GmbH & Co KG, 3060 Stadthagen Sitz, insbesondere kraftfahrzeugsitz

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US184264A (en) * 1876-11-14 Improvement in devices for winding clocks
US847229A (en) * 1905-04-10 1907-03-12 James M Branam Pumping-jack.
US947570A (en) * 1908-07-22 1910-01-25 Frank D Carson Street-indicator.
US1789617A (en) * 1928-03-19 1931-01-20 Case Co J I Operating device for seeding machines
US3018992A (en) * 1959-12-10 1962-01-30 Albert Lipp Quick level tripod table control system
US3026159A (en) * 1960-08-05 1962-03-20 Lloyd E Miller Tool tray
US3890000A (en) * 1973-12-03 1975-06-17 Dura Corp Adjustable lumbar area support for vehicle seatbacks
JPS5521906A (en) * 1978-07-31 1980-02-16 Nissan Motor Seat provided with lumbar support device
US4182533A (en) * 1978-12-26 1980-01-08 Uop Inc. Seat backrest having an adjustable lumbar support
US4295681A (en) * 1980-02-19 1981-10-20 Uop Inc. Seat having lumbar support and vertical height adjustment mechanism therefor
JPS5766710A (en) * 1980-10-13 1982-04-23 Shiraki Kinzoku Kogyo Kk Lamber support and adjusting apparatus
US4449751A (en) * 1981-05-26 1984-05-22 Lear Siegler, Inc. Seat backrest having an adjustable lumbar support

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2744652A1 (de) * 1976-11-01 1978-05-03 Aisin Seiki Stelleinrichtung zur lendenstuetzung
DE2822766A1 (de) * 1977-05-25 1978-12-21 Nissan Motor Sitz-rueckenlehne
DE3317944A1 (de) * 1982-05-26 1983-12-01 Aisin Seiki K.K., Kariya, Aichi Lendenstuetze fuer rueckenlehnen
DE3306994A1 (de) * 1983-02-28 1984-08-30 P.A. Rentrop Hubbert & Wagner Fahrzeugausstattungen GmbH & Co KG, 3060 Stadthagen Sitz, insbesondere kraftfahrzeugsitz

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5762397A (en) * 1997-03-24 1998-06-09 Venuto; Dennis Wire attachment to a seat frame
DE102006052783B4 (de) 2006-02-22 2022-05-25 Volkswagen Ag Aktive Konturanpassung einer wölbungsverstellbaren Stütze, insbesondere einer Lordosenstütze oder eines Lordoseschildes
DE102011075514A1 (de) * 2011-05-09 2012-11-29 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Rückenlehnenstruktur mit Lordosenstütze

Also Published As

Publication number Publication date
JPS59137151U (ja) 1984-09-13
US4811986A (en) 1989-03-14
JPH038120Y2 (US20110009641A1-20110113-C00185.png) 1991-02-28

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee